Home / 3,913.25-5,398.92-2,401.56

Finding the Fourth Proportional to 3,913.25, 5,398.92 and 2,401.56

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Solution

The fourth proportional to 3,913.25, 5,398.92 and 2,401.56 is: 3,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.25 : 5,398.92 = 2,401.56 : x
  2. Step 2: Convert to fraction form
    3,913.25/5,398.92 = 2,401.56/x
  3. Step 3: Cross multiply
    3,913.25x = 5,398.92 × 2,401.56
  4. Step 4: Simplify right side
    3,913.25x = 12,965,830.32
  5. Step 5: Solve for x
    x = 12,965,830.32/3,913.25
  6. Step 6: Final answer
    x = 3,313.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.